66004114571 has 2 divisors, whose sum is σ = 66004114572. Its totient is φ = 66004114570.

The previous prime is 66004114549. The next prime is 66004114591. The reversal of 66004114571 is 17541140066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66004114571 - 2¹⁸ = 66003852427 is a prime.

It is not a weakly prime, because it can be changed into another prime (66004114511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33002057285 + 33002057286.

It is an arithmetic number, because the mean of its divisors is an integer number (33002057286).

Almost surely, 2^66004114571 is an apocalyptic number.

66004114571 is a deficient number, since it is larger than the sum of its proper divisors (1).

66004114571 is an equidigital number, since it uses as much as digits as its factorization.

66004114571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 66004114571 in words is "sixty-six billion, four million, one hundred fourteen thousand, five hundred seventy-one".